sway/CMake/FindJsonC.cmake

# - Find json-c
# Find the json-c libraries
#
#  This module defines the following variables:
#     JSONC_FOUND        - True if JSONC is found
#     JSONC_LIBRARIES    - JSONC libraries
#     JSONC_INCLUDE_DIRS - JSONC include directories
#

find_package(PkgConfig)

if (JsonC_FIND_REQUIRED)
	set(_pkgconfig_REQUIRED "REQUIRED")
else()
	set(_pkgconfig_REQUIRED "")
endif()

if(JsonC_FIND_VERSION)
    pkg_check_modules(PC_JSONC ${_pkgconfig_REQUIRED} json-c=${JsonC_FIND_VERSION})
else()
    pkg_check_modules(PC_JSONC ${_pkgconfig_REQUIRED} json-c)
endif()

find_path(JSONC_INCLUDE_DIRS NAMES json-c/json.h HINTS ${PC_JSONC_INCLUDE_DIRS})
find_library(JSONC_LIBRARIES NAMES json-c HINTS ${PC_JSONC_LIBRARY_DIRS})
include(FindPackageHandleStandardArgs)

find_package_handle_standard_args(JSONC DEFAULT_MSG JSONC_LIBRARIES JSONC_INCLUDE_DIRS)
mark_as_advanced(JSONC_LIBRARIES JSONC_INCLUDE_DIRS)